S21 black screen

[diondelboy]

hi there can anybody help me I have a black screen on my S21 but the phone is on how do I get my phone to come on   thanks  have a lovely day 

my mum chopped a phone in the screen is black but the phone is on how can I get it back so I can use the phone again

[BandOfBrothers]

Hello @diondelboy and may I extend a Warm Welcome to the Samsung Community Forum 👍 

Have a look at https://www.samsung.com/uk/support/mobile-devices/my-galaxy-smartphone-has-frozen-how-do-i-restart-i... 

And

https://www.hardreset.info/devices/samsung/samsung-galaxy-s21. 

And

Samsung Supprt > Black Screen.  

If you perform a forum search you may find existing threads with some further help or guidence within.  

If all else fails a Samsung Service Centre can assess your phone. 

If i can be of any further help please don't hesitate to ask  😎